Rest and Motion: If the position of an object placed on the ground remains the same with respect to its surroundings, it is said to be at rest. On the other hand, an object changing its position with respect to the position of the other surrounding objects is said to be in motion. Motion can, therefore, be defined as the continuous process of change of position. Thus, a college building, a tree, a garden, a playground are at rest because they remain at the same fixed place with respect to their surroundings while a train passing by a station changes … Continue reading Rest and Motion